Home / 28,502,202.30-39,331,985.43-15,449,180.97

Finding the Fourth Proportional to 28,502,202.30, 39,331,985.43 and 15,449,180.97

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Solution

The fourth proportional to 28,502,202.30, 39,331,985.43 and 15,449,180.97 is: 21,319,298.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,502,202.30 : 39,331,985.43 = 15,449,180.97 : x
  2. Step 2: Convert to fraction form
    28,502,202.30/39,331,985.43 = 15,449,180.97/x
  3. Step 3: Cross multiply
    28,502,202.30x = 39,331,985.43 × 15,449,180.97
  4. Step 4: Simplify right side
    28,502,202.30x = 607,646,960,817,473.25
  5. Step 5: Solve for x
    x = 607,646,960,817,473.25/28,502,202.30
  6. Step 6: Final answer
    x = 21,319,298.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.